color: Add unit test to ensure sRGB SkColorSpaces match

ui/gfx/icc_profile_unittest.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/logging.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/color_space.h"
 #include "ui/gfx/icc_profile.h"
 #include "ui/gfx/test/icc_profiles.h"
 
 namespace gfx {
 
 TEST(ICCProfile, Conversions) {
   ICCProfile icc_profile = ICCProfileForTestingColorSpin();
   ColorSpace color_space_from_icc_profile = icc_profile.GetColorSpace();
 
   ICCProfile icc_profile_from_color_space;
   bool result =
       color_space_from_icc_profile.GetICCProfile(&icc_profile_from_color_space);
   EXPECT_TRUE(result);
   EXPECT_TRUE(icc_profile == icc_profile_from_color_space);
 }
 
 TEST(ICCProfile, SRGB) {
+  ICCProfile icc_profile = ICCProfileForTestingSRGB();
   ColorSpace color_space = ColorSpace::CreateSRGB();
   sk_sp<SkColorSpace> sk_color_space = SkColorSpace::MakeSRGB();
 
-  // These should be the same pointer, not just equal.
+  // The ICC profile parser should note that this is SRGB.
+  EXPECT_EQ(icc_profile.GetColorSpace().ToSkColorSpace().get(),
+            sk_color_space.get());
+  // The parametric generating code should recognize that this is SRGB.
+  EXPECT_EQ(icc_profile.GetParametricColorSpace().ToSkColorSpace().get(),
+            sk_color_space.get());
+  // The generated color space should recognize that this is SRGB.
   EXPECT_EQ(color_space.ToSkColorSpace().get(), sk_color_space.get());
 }
 
 TEST(ICCProfile, Equality) {
   ICCProfile spin_profile = ICCProfileForTestingColorSpin();
   ICCProfile adobe_profile = ICCProfileForTestingAdobeRGB();
   EXPECT_TRUE(spin_profile == spin_profile);
   EXPECT_FALSE(spin_profile != spin_profile);
   EXPECT_FALSE(spin_profile == adobe_profile);
   EXPECT_TRUE(spin_profile != adobe_profile);
@@ skipping 86 matching lines @@
   EXPECT_FALSE(garbage_profile.GetColorSpace().IsValid());
   EXPECT_FALSE(garbage_profile.GetParametricColorSpace().IsValid());
 
   ICCProfile default_ctor_profile;
   EXPECT_FALSE(default_ctor_profile.IsValid());
   EXPECT_FALSE(default_ctor_profile.GetColorSpace().IsValid());
   EXPECT_FALSE(default_ctor_profile.GetParametricColorSpace().IsValid());
 }
 
 }  // namespace gfx